Why it works: Egg and bread are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 22,662 recipes. Both carry (e)-2-octenal, which smells fatty, green. The science ↓
Maerow Bone Soup
Ingredients
Directions
Prepare the broth
Saw through the marrow bone.
Place the marrow bone in a pot of water.
Bring the water to a boil.
Let the soup simmer for 1 hour.
Poach the eggs
In a separate pan, bring water to a boil.
Add a little coarse sea salt to the boiling water.
Add the juice of the orange to the boiling water.
Gently drop the eggs into the pan.
Cook the eggs until they float to the top.
Transfer the eggs to cold water until all are cooked.
Trim the rough edges off the eggs.
Serve
Place the trimmed eggs in a tureen with the marrow bone.
Mix a little coarse sea salt into the soup.
Pour the soup into the tureen.
Add pieces of bread to the tureen.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.
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Egg + breadtop 13% of all pairsSmell alikemoderateCooked together22,662 recipes
Shared aroma: (e)-2-octenal (fatty, green).
-
Orange + breadtop 19% of all pairsSmell alikemoderateCooked together1,084 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Orange + eggtop 31% of all pairsSmell alikelowCooked together10,696 recipes
Shared aroma: 2,4-decadienal (seaweed).
Orange and egg barely smell alike, yet cooks put them together in 10,696 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Marrow bone
- Simmered in water to release flavour and richness into the broth.
- Eggs
- Poached until set, adding soft protein body and mild richness to the soup.
- Juice of 1 ripe orange
- Adds acidity to the poaching water, brightening the dish.
- Pieces of bread
- Soak up broth, adding softness and body to each serving.
The step that matters
Cook the eggs until they float to the top. Eggs set gradually in simmering acidic water; overcooking makes the whites rubbery and the yolks chalky, so timing needs watching.
Swap the orange
How well each one fits the dish's main ingredients (egg, bread):
- Datesfits better
- Pumpkinfits better
- Figfits better
- Orangethe original
Fit is the average pairing score against egg, bread. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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